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Finding the Fourth Proportional to 254,165.42, 381,117.87 and 134,286.72

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Solution

The fourth proportional to 254,165.42, 381,117.87 and 134,286.72 is: 201,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,165.42 : 381,117.87 = 134,286.72 : x
  2. Step 2: Convert to fraction form
    254,165.42/381,117.87 = 134,286.72/x
  3. Step 3: Cross multiply
    254,165.42x = 381,117.87 × 134,286.72
  4. Step 4: Simplify right side
    254,165.42x = 51,179,068,695.69
  5. Step 5: Solve for x
    x = 51,179,068,695.69/254,165.42
  6. Step 6: Final answer
    x = 201,361.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.